HMCS Rainbow "Cleared for Action"
This photograph shows Rainbow, possibly on training exercises, in the harbour at Prince Rupert, British Columbia.
"Clearing for action," the traditional term for preparing the ship for battle, involved clearing away flammable and fragile materials like hammocks and movable wooden bulkheads, removing equipment that could restrict the field of fire of the ship's weapons, and preparing to treat casualties. Despite the original caption on the photograph, it more likely shows Rainbow preparing for firing practice, since only the ship's forward gun (right) appears to have a crew.
George Metcalf Archival Collection